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Chemiosmosis

campbell_ap_bio_practice_test_ch9

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Biology
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Biology
cellular respiration
Chemistry
biochemistry
Glycolysis
Chemiosmosis
Nicotinamide adenine dinucleotide
Pyruvic acid
metabolism
mitochondrion
Fermentation
Carbohydrate catabolism

Chapter?9 Cellular?Respiration:?Harvesting?Chemical?Energy Multiple-Choice?Questions 1) What?is?the?term?for?metabolic?pathways?that?release?stored?energy?by?breaking?down?complex?molecules? A) anabolic?pathways B) catabolic?pathways C) fermentation?pathways D) thermodynamic?pathways E) bioenergetic?pathways Answer: B Topic: Concept?9.1 Skill: Knowledge/Comprehension 2) The?molecule?that?functions?as?the?reducing?agent?(electron?donor)?in?a?redox?or?oxidation-reduction?reaction A) gains?electrons?and?gains?energy. B) loses?electrons?and?loses?energy. C) gains?electrons?and?loses?energy. D) loses?electrons?and?gains?energy. E) neither?gains?nor?loses?electrons,?but?gains?or?loses?energy. Answer: B Topic: Concept?9.1 Skill: Knowledge/Comprehension

Energy in a Cell

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Biology
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cellular respiration
biochemistry
Chemistry
Adenosine triphosphate
Glycolysis
Chemiosmosis
Electron transport chain
Photosynthesis
Thylakoid
Anaerobic respiration
Fermentation

Chapter 9?Energy in a Cell Section 1?The Need for Energy Chemical bonds store energy that can be released when the bond is broken. Some bonds have more energy than others. Cell Energy Plants and other producers are able to trap light energy from the sun. Consumers obtain their energy from producers and other consumers. Cells need energy for active transport, cell division, movement and protein production, transport and storage. Your muscles and organs need energy to work. Energy is stored, at the cellular level, in the bonds of a molecule in your cells that any organelle can use. Adenosine triphosphate (ATP): composed of an adenosine molecule with three phosphate groups attached

Biology essay

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Biology
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Biology
cellular respiration
Photosynthesis
Plant physiology
organelles
metabolism
Meiosis
Anaerobic respiration
Carbon Cycle
Chemiosmosis
mitochondrion
Cell membrane

Name_______________________ Biology Content Knowledge Exam Part 2: Free Response SCED 6416 Directions: In essay form, write your response to all parts of each question. Three questions, total time allowed is 75 minutes. Membranes are important structural features of cells.?(a) Describe how membrane structure is related to the transport of materials across a membrane.?(b) Describe the role of membranes in the synthesis of ATP in either respiration or photosynthesis. 2) An organism is heterozygous at two genetic loci on different chromosomes. | | | | | | --|B --|b | | | | --|A --|a

Cellular Respiration Summary

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Biology
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cellular respiration
Chemiosmosis
Pyruvate decarboxylation
Mitochondrial matrix
Glycolysis
Acetyl-CoA
Citric acid cycle
mitochondrion
Vesicle
Oxidative phosphorylation
Pyruvic acid

Why? Where? In Out Glycolysis Split Glucose into 2 pyruvates Cytosol 1 Glucose 2 Pyruvate 2 NADH 2 ATP Transition Reactions Pyruvate to Acetyl-CoA Inner membrane 2 Pyruvate 2 Acetyl-CoA 2CO2 2NADH Citric Acid Cycle Make the electron carriers Mitochondrial Matrix Acetyl-CoA 2 ATP 6NADH 2FADH2 4CO2 Oxidative phosphorylation (ETC) & Chemiosmosis Send H+ in inner membrane space as they go down ETC chain and this allows us to manage energy (create concentration gradient and produce most ATP) ETC- Cristae Chemiosmosis- inner membrane NADH & FADH2 2H2O 36-38 ATP *** Out products are per glucose *** ***If you want per pyruvate take half of what the numbers are in the chart*** Delivery System (follow the vesicle)

Campbell Biology 9th Edition Chapters 6-9 Study Guide

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Biology
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cellular respiration
organelles
Membrane biology
Cell Biology
Integral membrane proteins
mitochondrion
Vesicle
cell
Chemiosmosis
Adenosine triphosphate
Oxidative phosphorylation
health

Chapter 8 Metabolism The totality of an organism?s chemical reactions An emergent property of life that arises from orderly interactions between molecules A chemical reaction is an alteration in the chemical properties of a molecule Often these chemical properties of a molecule are changed in a series of steps Ex: breaking down and changing the chemistry of what you eat A metabolic pathway is a series of steps that alter a molecule to manage material and energy It begins with a specific molecule, which is then altered in a series of defined steps, resulting in a certain product Therefore, metabolism is the management of materials and energy in an organism utilizing chemical reactions in specific pathways 2 Basic Metabolic Pathways

Bio_160_Lecture5

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biochemistry
cellular respiration
Chemistry
metabolism
Photosynthesis
Metabolic pathways
Exercise physiology
Glycolysis
Chemiosmosis
Citric acid cycle
Glyceraldehyde 3-phosphate

Metabolism and Photosynthesis Chapters 6 & 7 Autotrophs Chloroplasts ? Contain chlorophyll ? Green ? Site of photosynthesis ? Concentrated in leaves Chloroplast Structure Overview of Photosynthesis ? Light Reaction (stage 1) ? Occurs in thylakoid membranes of granna ? Converts light energy to chemical energy ? O2 produced as waste product ? Calvin Cycle (stage 2) ?Melvin Calvin ? Occurs in stroma of chloroplasts ? Synthesizes sugar molecules with CO2 & energy produced in light reactions ? The light reactions ? Convert light energy to chemical energy and produce O2 ? The Calvin cycle assembles sugar molecules from CO2 ? Using ATP and NADPH from the light reactions Figure 7.5 Light CO2H2O Chloroplast LIGHT REACTIONS (in thylakoids) CALVIN CYCLE

reece testbank chap 9

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cellular respiration
biochemistry
Chemistry
Glycolysis
Chemiosmosis
Mitochondrial matrix
Substrate-level phosphorylation
Citric acid cycle
Oxidative phosphorylation
Electron transport chain
Nicotinamide adenine dinucleotide

Campbell's Biology, 9e (Reece et al.) Chapter 9 Cellular Respiration and Fermentation This is one of the most challenging chapters for students to master. Many students become overwhelmed and confused by the complexity of the pathways, with the multitude of intermediate compounds, enzymes, and processes. The vast majority of the questions in this chapter address central concepts rather than details of these pathways. Other questions have accompanying figures that provide details for reference and ask students to interpret or use these models. Overall, the emphases are on the inputs and outputs of each pathway, the relationships among these pathways, the cellular locations, redox as a central principle in respiration, and chemiosmosis. Multiple-Choice Questions

Photosynthesis Powerpoint

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Biology
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Photosynthesis
Chemistry
biochemistry
Photosystem
Light-dependent reactions
Thylakoid
Photophosphorylation
Chemiosmosis
Electron transport chain
Stroma
Chloroplast
Technology

Photosynthesis Energy Transformations ATP is the energy molecule used in all living things, so supplies must be constantly replenished. energy must be added to make ATP, thus ATP formation is an endergonic reaction. ADP + P + energy ---? ATP the addition of a phosphate molecule to ATP is called phosphorylation ATP ---? ADP + P + energy the removal of a phosphate molecule from ATP gives off energy and is called dephosphorylation Electron Transport System (ETS) is the means by which energy production occurs within cells. It is a series of progressively stronger electron acceptors. Each time an electron is transported, energy is either released or absorbed. This is how most of the ATP in plants and animals is formed Redox Reactions

Cellular Repsiration

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Biology
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Biology
cellular respiration
biochemistry
Chemistry
Glycolysis
Chemiosmosis
Fermentation
Pyruvic acid
Citric acid cycle
Electron transport chain
Carbohydrate catabolism
metabolism

Cellular Respiration Plant cells harvest energy from the sun, and store it as glucose. That glucose must be transformed into energy the cell can use, specifically ATP. This takes place in the mitochondria of cells. There are two ways that a cell can harvest energy from the food (glucose) it takes in: Anaerobic Cell Respiration (Fermentation) ? glucose metabolism in the absence of oxygen that produces 2ATP molecules and either ethanol or lactic acid. Involves 2 stages: Glycolysis Fermentation Aerobic Cellular Respiration ? glucose metabolism with oxygen that produces 36 ATP molecules, CO2 and H2O. Involves 4 stages: Glycolysis Pyruvate oxidation Krebs cycle Electron transport and chemiosmosis Stage 1 ? Glycolysis

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